Who's at the heart of the supply chain?

Who has the ultimate responsibility for the supply chain when things go wrong?

Sometimes all you've got to do to solve an intractable problem or resolve a riddle is simply change your methodology or just ask the question in a different way. One such problem with significant implications for everyone in the electronics industry centers on the issue of ownership or control of the supply chain.

The pertinent questions people have asked over decades include: Whose supply chain is it; who controls it; who wields the most power; and who has the ultimate responsibility for it when things go wrong or work smoothly?